static void
gtk_tearoff_menu_item_parent_set (GtkWidget *widget,
GtkWidget *previous)
{
GtkTearoffMenuItem *tearoff_menu_item = GTK_TEAROFF_MENU_ITEM (widget);
GtkTearoffMenuItemPrivate *priv = tearoff_menu_item->priv;
GtkMenu *menu;
GtkWidget *parent;
parent = gtk_widget_get_parent (widget);
menu = GTK_IS_MENU (parent) ? GTK_MENU (parent) : NULL;
if (previous)
g_signal_handlers_disconnect_by_func (previous,
tearoff_state_changed,
tearoff_menu_item);
if (menu)
{
priv->torn_off = gtk_menu_get_tearoff_state (menu);
g_signal_connect (menu, "notify::tearoff-state",
G_CALLBACK (tearoff_state_changed),
tearoff_menu_item);
}
}
static gboolean
cb_tearable_button_release (GtkWidget *w, GdkEventButton *event,
GOComboBox *combo)
{
GtkTearoffMenuItem *tearable;
g_return_val_if_fail (w != NULL, FALSE);
g_return_val_if_fail (GTK_IS_TEAROFF_MENU_ITEM (w), FALSE);
tearable = GTK_TEAROFF_MENU_ITEM (w);
tearable->torn_off = !tearable->torn_off;
if (!combo->priv->torn_off) {
gboolean need_connect;
need_connect = (!combo->priv->tearoff_window);
go_combo_set_tearoff_state (combo, TRUE);
if (need_connect)
g_signal_connect_swapped (combo->priv->tearoff_window,
"delete_event",
G_CALLBACK (cb_popup_delete), combo);
} else
go_combo_box_popup_hide_unconditional (combo);
return TRUE;
}
static void
go_combo_box_popup_hide_unconditional (GOComboBox *combo_box)
{
gboolean popup_info_destroyed = FALSE;
g_return_if_fail (combo_box != NULL);
g_return_if_fail (IS_GO_COMBO_BOX (combo_box));
gtk_widget_hide (combo_box->priv->toplevel);
gtk_widget_hide (combo_box->priv->popup);
if (combo_box->priv->torn_off) {
GTK_TEAROFF_MENU_ITEM (combo_box->priv->tearable)->torn_off
= FALSE;
go_combo_set_tearoff_state (combo_box, FALSE);
}
do_focus_change (combo_box->priv->toplevel, FALSE);
gtk_grab_remove (combo_box->priv->toplevel);
gdk_display_pointer_ungrab (gtk_widget_get_display (combo_box->priv->toplevel),
GDK_CURRENT_TIME);
g_object_ref (combo_box->priv->popdown_container);
g_signal_emit (combo_box,
go_combo_box_signals [POP_DOWN_DONE], 0,
combo_box->priv->popdown_container, &popup_info_destroyed);
if (popup_info_destroyed){
gtk_container_remove (
GTK_CONTAINER (combo_box->priv->frame),
combo_box->priv->popdown_container);
combo_box->priv->popdown_container = NULL;
}
g_object_unref (combo_box->priv->popdown_container);
set_arrow_state (combo_box, FALSE);
}
static void
tearoff_state_changed (GtkMenu *menu,
GParamSpec *pspec,
gpointer data)
{
GtkTearoffMenuItem *tearoff_menu_item = GTK_TEAROFF_MENU_ITEM (data);
tearoff_menu_item->torn_off = gtk_menu_get_tearoff_state (menu);
}
